205532155050 has 48 divisors (see below), whose sum is σ = 509759522112. Its totient is φ = 54804297600.

The previous prime is 205532155043. The next prime is 205532155139. The reversal of 205532155050 is 50551235502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2187030 + ... + 2279070.

It is an arithmetic number, because the mean of its divisors is an integer number (10619990044).

Almost surely, 2^205532155050 is an apocalyptic number.

205532155050 is an abundant number, since it is smaller than the sum of its proper divisors (304227367062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205532155050 is a wasteful number, since it uses less digits than its factorization.

205532155050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106943 (or 106938 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 205532155050 in words is "two hundred five billion, five hundred thirty-two million, one hundred fifty-five thousand, fifty".